Keyboard Checkout; Video Monitor Display Checkout - Bosch LTC 8600 Instruction Manual

LTC 8600 | LTC 8800 Series

22.2 Keyboard Checkout

22.3 Video Monitor Display Checkout

F.01U.127.393 | 2.0 | 2009.03
1.
No keyboard display indicators: Check interconnect cable for cut or broken
wires between keyboard and main CPU bay. Replace cable if necessary. Relo-
cate keyboard connector on main CPU bay to another keyboard input port.
Replace keyboard.
2.
Keyboard indicators lit but keyboard is inoperative: Verify keyboard is logged-on
to the system (if log-on feature has been enabled). Check interconnect cable for
cut or broken wires between keyboard and main CPU bay. Replace cable if nec-
essary. Relocate keyboard connector on main CPU bay to another keyboard
input port. Replace keyboard.
3.
Limited keyboard functions: If possible, perform a local keyboard test to verify
operation of all keys. See Chapter 15, "User Information," on page 56. If a local
test cannot be performed, replace the keyboard.
Users of the optional LTC 8850 GUI Software or the optional LTC 8059 MCS
package should refer to lockout tables to determine if problem is related to user
restriction tables. If table settings are verified and no discrepancies are found,
replace keyboard.
4.
Keyboard Joystick not centered: If the analog joystick of the system keyboard
becomes un-centered due to normal wear, it can be re-calibrated. If using the
IntuiKey keyboard, go to the Keyboard Control menu and press [Joystick Auto
Calibrate]. If using the LTC 8555 Series keyboard, refer to the User Function 1
procedure. (See Chapter 15, "User Information," on page 56).
1.
No video display on any monitor: Verify proper CPU operation as described
above under Main Bay Checkout Section.
2.
No video display on some monitors: Verify operational camera is selected on
suspect monitors. Confirm monitor is operational. Check monitor coax connec-
tions. Verify coax connection to correct monitor output on rear of main bay.
Replace video output module.
3.
Poor video on monitor: Check monitor for proper termination. Check operation
of known good camera directly to monitor.
4.
Partial or no on-screen alphanumeric display: Check user selectable brightness
feature (via USER 5 keyboard function) and then verify alphanumeric display
has been enabled (via USER 6 keyboard function). Position the overlay with
USER 4 function.
5.
Time and Date portion of the on-screen display alternates with "?? ?? ??", and
the LED on the front panel indicates a low battery condition: Replace CPU bat-
teries.
Instruction Manual
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